Castello Estense. A really cool medieval castle… With a MOAT!! #Ferrara #italy #blogville #architecture #medieval #castle (Taken with Instagram at Castello Estense)

This is one of the oldest bridges in Italy. It was started by Caesar Augustus in 14AD and finished by Tiberius in 21AD. True Roman architecture here! #rimini #blogville #architecture (Taken with Instagram at Ponte di Tiberio)

Frontal facade of St. Vitus Cathedral. #cathedral #prague #architecture (Taken with Instagram at Prague)

St. Vitus Cathedral. #prague #architecture #cathedral (Taken with Instagram at Prague)

I present to you, Fred and Ginger - by Frank Gehry. #Prague #architecture (Taken with Instagram at Prague)

The Passion at Subirachs entrance in Sagrada Familia. #barcelona #spain #architecture (Taken with instagram)

The Passion at Subirachs entrance at Sagrada Familia. #barcelona #spain #architecture (Taken with instagram)

Inscriptions at The Passion Entrance doors at Sagrada Familia - by Antonio Gaudi. Entrance designed by Subirachs. #architecture #barcelona #spain (Taken with instagram)

Sagrada Familia by Gaudi. #spain #barcelona #architecture (Taken with instagram)

La Pedrera by Gaudi. #barcelona #spain #architecture (Taken with instagram)